NTN
Self-aligning ball bearings 2304S
Bearing NTN 2304S, Ø20×52×21 mm. Request a quote — worldwide shipping.
Type Self-aligning ball bearings
Dimensions
Ø 20 × 52 × 21 mm
d20Bore Ø (mm)
×
D52Outer Ø (mm)
×
B21Width (mm)
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In stock
Technical specifications
| Brand | NTN |
| d - Internal diameter | 20 mm |
| D - External diameter | 52 mm |
| B - Bearing/Inner ring width | 21 mm |
| rs - Min fillet radius | 1,1 mm |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0,207 kg |
| C - Dynamic load | 18500000 mN |
| C0 - Static load | 4700000 mN |
| Cu - Fatigue limit load | 210000 mN |
| e - Coefficient | 0.5 |
| Y0 - Static axial load coefficient | 1.3 |
| Y1 - Lower axial load coefficient | 1.2 |
| Y2 - Upper axial load coefficient | 1.9 |
| N lim - Oil lubrication limit speed | 84000 °/s |
| N lim - Grease lubrication limit speed | 66000 °/s |
| Tmin - Min operating temperature | 253,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da min - Min shoulder diameter IR | 26,5 mm |
| Da max - Max shoulder diameter OR | 45,5 mm |
| ra max - Max shaft & housing fillet radius | 1 mm |
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NTN 2304S